\documentclass{article}
 
\usepackage[pdftex,active,tightpage]{preview}
\usepackage{tikz}
\usetikzlibrary{snakes}
\usetikzlibrary{arrows}
\makeatletter
 
\begin{document}
\begin{preview}
	%%
	\begin{tikzpicture}[scale=0.6]
				\draw[fill=orange!70!black, fill opacity=0.3] (0,0) circle (4);
				\draw (0,0) circle (3.5);
				\draw[fill=red, fill opacity=0.5] (0,0) circle (2.5);
				\draw[fill=blue] \foreach \x in {0,10,...,360} {
					(\x:3.5cm) circle (0.1) (\x:2.5cm) circle (0.1)  
				};
				\foreach \x/\y in {0/10,10/20,20/30,30/40,40/50,50/60,60/70,70/80,80/90,90/100,100/110,110/120,120/130,130/140,140/150,150/160,160/170,170/180,180/190,190/200,200/210,210/220,220/230,230/240,240/250,250/260,260/270,270/280,280/290,290/300,300/310,310/320,320/330,330/340,340/350,350/360,360/370} {
					\draw[black,->,shorten <=1pt,>=stealth',semithick] (\x:3.5cm) to (\y:2.5cm);  
				};		
			\end{tikzpicture}
			%%
\end{preview}
\end{document}
		